WTEC - Model FAD - Deferrization, Demanganization Filters - Brochure
FAD deferrization, demanganization filters allow to remove from the water the iron and manganese in a non-oxidised form. FAD filters are usually used before a preliminary oxidation treatment, with air or more frequently, with sodium hypochlorite, or other oxidising agents (e.g. potassium permanganate). The initial oxidation stage allows, in ...